Measurements

A. Taking zero correction
B. Comparing the instrument with another more accurate one
C. Taking mean of several measurements
D. All methods explained in A, B and C

A. Limitation of an instrument
B. Natural variation of the object to be measured
C. Inadequate technique
D. All given in A, B and C

A. The inexperience of a person
B. The faulty apprentice
C. Inappropriate method
D. Due to all reasons in A, B and C

A. 10 Raised to power 1
B. 10 Raised to power 2
C. 10 Raised to power 3
D. 10 Raised to power -1

A. 1.024×103
B. 2 Raised to power 10
C. 0.000976
D. 1/0.00097

A. Power of ten
B. Powers of two
C. Reciprocal
D. Decimal

A. 1
B. 2
C. 3
D. 4

A. 1
B. 2
C. 3
D. 4

A. Chemistry
B. Astronomy
C. Geology
D. Biology

A. Chemistry
B. Physics
C. Geology
D. Biology